M/Z: 674.4453

Hit 2 annotations: PE(14:0/20:5(5Z,8Z,11Z,14Z,17Z))_[M+H-2H2O]+; 13-Demethylspirolide C_[M+H-H2O]+

在BioDeep NovoCell知识数据库中，参考离子总共被划分为4个级别。

Confirmed: 这个参考离子已经通过手动审计得到确认和验证。
Reliable: 这个参考离子可能在特定的解剖组织环境中高度保守。
Unreliable: 这个参考离子具有较高的排名价值，但缺乏可重复性。
Unavailable: 由于排名价值低且缺乏可重复性，这个参考离子不应用于注释。

Found 3 Reference Ions Near m/z 674.4453

NovoCell ID	m/z	Mass Window	Metabolite	Ranking	Anatomy Context
MSI_000024495 Unreliable	674.4397	674.4397 ~ 674.4397 MzDiff: `none`	Fasciculic acid C (BioDeep_00000018926) Formula: C38H63NO11 (709.4401)	1.78 (100%)	Mus musculus [UBERON:0004269] upper arm connective tissue
MSI_000023702 Unreliable	674.4453	674.4453 ~ 674.4453 MzDiff: `none`	PE(14:0/20:5(5Z,8Z,11Z,14Z,17Z)) (BioDeep_00000030095) Formula: C39H68NO8P (709.4682)	1.25 (100%)	Mus musculus [UBERON:0004263] upper arm skin
MSI_000023381 Unreliable	674.4515	674.4515 ~ 674.4515 MzDiff: `none`	Enalkiren (BioDeep_00000178689) Formula: C35H56N6O6 (656.4261)	1.71 (100%)	Mus musculus [UBERON:0004263] upper arm skin

Found 3 Sample Hits

Metabolite	Species	Sample
PE(14:0/20:5(5Z,8Z,11Z,14Z,17Z)) Formula: C39H68NO8P (709.4682) Adducts: [M+H-2H2O]+ (Ppm: 13.5)	Mus musculus (Left upper arm)	357_l_total ion count Resolution: 50μm, 97x131 Description Diseased
13-Demethylspirolide C Formula: C42H61NO7 (691.4448) Adducts: [M+H-H2O]+ (Ppm: 0.3)	Mus musculus (Lung)	image5 Resolution: 40μm, 163x183 Description Supplementary Figure S8. MALDI-MSI data of mouse lung tissue administered with D9-choline and U 13C-DPPC–containing Poractant alfa surfactant (labels administered 18 h prior to sacrifice). Ion images of (a) m/z 796.6856 ([U13C-DPPC+Na]+), (b) m/z 756.5154 [PC32:0+Na]+ and (c) m/z 765.6079 ([D9-PC32:0+Na]+). (d) Overlay image of [U13C-DPPC+Na]+ (red) and [D9-PC32:0+Na]+ (green). Parts per million (ppm) mass errors are indicated in parentheses. All images were visualised using totalion-current normalisation and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0.
13-Demethylspirolide C Formula: C42H61NO7 (691.4448) Adducts: [M+H-H2O]+ (Ppm: 0.6)	Homo sapiens (esophagus)	LNTO22_2_1 Resolution: 75μm, 89x88 Description

Metabolite

Species

Sample

PE(14:0/20:5(5Z,8Z,11Z,14Z,17Z))

Formula: C39H68NO8P (709.4682)
Adducts: [M+H-2H2O]+ (Ppm: 13.5)

Mus musculus (Left upper arm)

357_l_total ion count

Resolution: 50μm, 97x131

Description

Diseased

13-Demethylspirolide C

Formula: C42H61NO7 (691.4448)
Adducts: [M+H-H2O]+ (Ppm: 0.3)

Mus musculus (Lung)

image5

Resolution: 40μm, 163x183

Description

Supplementary Figure S8. MALDI-MSI data of mouse lung tissue administered with D9-choline and U 13C-DPPC–containing Poractant alfa surfactant (labels administered 18 h prior to sacrifice). Ion images of (a) m/z 796.6856 ([U13C-DPPC+Na]+), (b) m/z 756.5154 [PC32:0+Na]+ and (c) m/z 765.6079 ([D9-PC32:0+Na]+). (d) Overlay image of [U13C-DPPC+Na]+ (red) and [D9-PC32:0+Na]+ (green). Parts per million (ppm) mass errors are indicated in parentheses. All images were visualised using totalion-current normalisation and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0.

13-Demethylspirolide C

Formula: C42H61NO7 (691.4448)
Adducts: [M+H-H2O]+ (Ppm: 0.6)

Homo sapiens (esophagus)

LNTO22_2_1

Resolution: 75μm, 89x88

Description